1. It should be noted that in-service graduate students mainly have the same academic ability and professional master's degree, among which online teaching has the same academic ability and professional master's degree does not.

2. At present, on-the-job graduate students have flexible and diverse classes, mainly including weekend classes that must be taught face-to-face, intensive holiday classes, and remote online classes that do not need to be taught face-to-face on time. And the choice of remote online courses, that is, using the network to attend classes, you can attend classes directly and learn online.

3. At present, many universities in China have set up this learning mode, such as China University of Political Science and Law, capital university of economics and business and China Academy of Social Sciences. Many enrollment majors of these enrollment institutions can teach online.